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Host Monitoring

Updated on 2024-08-05 GMT+08:00

Hosts include the Elastic Cloud Server (ECS) and Bare Metal Server (BMS). AOM can monitor the hosts created during CCE and ServiceStage cluster creation and those created in non-CCE and -ServiceStage environments. In addition, hosts support IPv4 addresses.

Host monitoring displays resource usage, trends, and alarms, so that you can quickly respond to malfunctioning hosts and handle errors to ensure smooth host running.

Precautions

  • A maximum of five tags can be added to a host, and each tag must be unique.
  • The same tag can be added to different hosts.

Procedure

  1. Log in to the AOM 2.0 console.
  2. In the navigation pane, choose Infrastructure Monitoring > Host Monitoring.

    • Set filter criteria (such as the running status, host type, host name, and IP address) above the host list.
    • You can enable or disable Hide master host. By default, this option is enabled.
    • Click next to Hide master host to synchronize host information.
    • In the upper right corner of the page, set filter criteria.
      • Set a time range to view the hosts reported. There are two methods to set a time range:
      • Method 1: Use the predefined time label, such as Last 30 minutes, Last hour, Last 6 hours, Last day, or Last week. Select one as required.
      • Method 2: Specify the start time and end time (max. 30 days).
      • Set the interval for refreshing information. Click and select a value from the drop-down list as required, such as Refresh manually, 30 seconds auto refresh, 1 minute auto refresh, or 5 minutes auto refresh.
      • Click in the upper right corner and select or deselect Tags.

  1. Perform the following operations as required:

    • Adding an alias

      If a host name is too complex to identify, you can add an alias, which makes it easy to identify a host as required.

      In the host list, click in the Operation column of the target host, enter an alias, and click OK. The added alias can be modified but cannot be deleted.

    • Adding a tag

      Tags are identifiers of hosts. You can manage hosts using tags. After a tag is added, you can quickly identify and select a host.

      In the host list, click in the Operation column of the target host. In the displayed dialog box, enter a tag key and value, and click and OK.

    • Synchronizing host data

      In the host list, locate the target host and click in the Operation column to synchronize host information.

  2. Set filter criteria to search for the desired host.

    NOTE:

    Hosts cannot be searched by alias.

  3. Click a host name. On the displayed host details page, you can view the running status and ID of the host.
  4. Click any tab. In the list, you can monitor the instance resource usage and health status, and information about common resources such as GPUs and NICs.

    • On the Process List tab page of the ECS host, you can view the process status and IP address of the host.
      • In the search box in the upper right corner of the process list, you can set search criteria such as the process name to filter processes.
      • Click in the upper right corner to obtain the latest process information within the specified time range.
    • On the Pods tab page of the CCE host, you can view the pod status and node IP address.
      • Click a pod name to view details about the container and process of the pod.
      • In the search box in the upper right corner of the pod list, you can set search criteria such as pod names to filter pods.
      • Click in the upper right corner to obtain the latest pod information within the specified time range.
    • On the Monitoring Views tab page, view key metric graphs of the host.
    • On the Events tab page, view the event details of the host. For details, see Viewing Events.
    • On the Alarms tab page, view the alarm details of the host. For details, see Viewing Alarms.
    • On the File Systems tab page, view the basic information about the file system of the host. Click a disk file partition to monitor its metrics on the Monitoring Views page.
    • On the Disks tab page, view the basic information about the disks of the host. Click a disk to monitor its metrics on the Monitoring Views page.
    • On the Disk Partitions tab page, view the disk partition information about the host. Click a disk partition to monitor its metrics on the Monitoring Views page.
    • Click the NICs tab to view the basic information about the NICs of the host. Click a NIC to monitor its metrics on the Monitoring Views page.
    • Click the GPUs tab to view the basic information about the GPUs of the host. Click a GPU to monitor its metrics on the Monitoring Views page.
    • On the File Systems, Disks, Disk Partitions, NICs, or GPUs tab page, click in the upper right corner of the resource list and select or deselect items to display.
      NOTE:

      Disk partitions are supported by CentOS 7.x and EulerOS 2.5.

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